US5837190AExpiredUtilityPatentIndex 61
Free-machining austenitic stainless steel
Est. expiryJul 7, 2014(expired)· nominal 20-yr term from priority
C22C 38/58C22C 38/60C22C 38/42
61
PatentIndex Score
4
Cited by
12
References
6
Claims
Abstract
The present invention relates to an austenitic stainless steel alloy and in particular to a resulfurized austenitic stainless steel alloy, and an article made therefrom, having a unique combination of corrosion resistance, machinability and low magnetic permeability, especially in the cold worked condition.
Claims
exact text as granted — not AI-modifiedWhat is claimed is:
1. An austenitic, stainless steel alloy having a good combination of machinability and a low magnetic permeability consisting essentially of, in weight percent, about ______________________________________
C 0.01 max
Mn 1.0-2.0
Si 1.0 max
P 0.1 max
S 0.25-0.45
Cr 17.0-19.0
Ni 9.5-12.0
Mo 0.75 max
Cu 0.46-2.0
N 0.035 max
Se 0.05 max
______________________________________
the balance essentially iron.
2. The alloy as recited in claim 1 which contains not more than about 0.030 w/o nitrogen.
3. The alloy at recited in claim 2 which contains not more than about 0.025 w/o nitrogen.
4. The alloy as recited in claim 1 which contains not more than about 10.0 w/o nickel.
5. The alloy as recited in claim 1 which contains not more than about 1.0 w/o copper.
6. The alloy as recited in claim 1 which contains at least about 0.8 w/o copper.Cited by (0)
No later patents cite this yet.
References (0)
No backward citations on record.